/* * Q35 chipset based pc system emulator * * Copyright (c) 2003-2004 Fabrice Bellard * Copyright (c) 2009, 2010 * Isaku Yamahata * VA Linux Systems Japan K.K. * Copyright (C) 2012 Jason Baron * * This is based on pc.c, but heavily modified. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "qemu/osdep.h" #include "qemu/units.h" #include "hw/loader.h" #include "sysemu/arch_init.h" #include "hw/i2c/smbus_eeprom.h" #include "hw/rtc/mc146818rtc.h" #include "hw/xen/xen.h" #include "sysemu/kvm.h" #include "hw/kvm/clock.h" #include "hw/pci-host/q35.h" #include "hw/qdev-properties.h" #include "exec/address-spaces.h" #include "hw/i386/x86.h" #include "hw/i386/pc.h" #include "hw/i386/ich9.h" #include "hw/i386/amd_iommu.h" #include "hw/i386/intel_iommu.h" #include "hw/display/ramfb.h" #include "hw/firmware/smbios.h" #include "hw/ide/pci.h" #include "hw/ide/ahci.h" #include "hw/usb.h" #include "qapi/error.h" #include "qemu/error-report.h" #include "sysemu/numa.h" #include "hw/mem/nvdimm.h" /* ICH9 AHCI has 6 ports */ #define MAX_SATA_PORTS 6 struct ehci_companions { const char *name; int func; int port; }; static const struct ehci_companions ich9_1d[] = { { .name = "ich9-usb-uhci1", .func = 0, .port = 0 }, { .name = "ich9-usb-uhci2", .func = 1, .port = 2 }, { .name = "ich9-usb-uhci3", .func = 2, .port = 4 }, }; static const struct ehci_companions ich9_1a[] = { { .name = "ich9-usb-uhci4", .func = 0, .port = 0 }, { .name = "ich9-usb-uhci5", .func = 1, .port = 2 }, { .name = "ich9-usb-uhci6", .func = 2, .port = 4 }, }; static int ehci_create_ich9_with_companions(PCIBus *bus, int slot) { const struct ehci_companions *comp; PCIDevice *ehci, *uhci; BusState *usbbus; const char *name; int i; switch (slot) { case 0x1d: name = "ich9-usb-ehci1"; comp = ich9_1d; break; case 0x1a: name = "ich9-usb-ehci2"; comp = ich9_1a; break; default: return -1; } ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name); qdev_init_nofail(&ehci->qdev); usbbus = QLIST_FIRST(&ehci->qdev.child_bus); for (i = 0; i < 3; i++) { uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func), true, comp[i].name); qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name); qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port); qdev_init_nofail(&uhci->qdev); } return 0; } /* PC hardware initialisation */ static void pc_q35_init(MachineState *machine) { PCMachineState *pcms = PC_MACHINE(machine); PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); X86MachineState *x86ms = X86_MACHINE(machine); Q35PCIHost *q35_host; PCIHostState *phb; PCIBus *host_bus; PCIDevice *lpc; DeviceState *lpc_dev; BusState *idebus[MAX_SATA_PORTS]; ISADevice *rtc_state; MemoryRegion *system_io = get_system_io(); MemoryRegion *pci_memory; MemoryRegion *rom_memory; MemoryRegion *ram_memory; GSIState *gsi_state; ISABus *isa_bus; int i; ICH9LPCState *ich9_lpc; PCIDevice *ahci; ram_addr_t lowmem; DriveInfo *hd[MAX_SATA_PORTS]; MachineClass *mc = MACHINE_GET_CLASS(machine); /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping * also known as MMCFG). * If it doesn't, we need to split it in chunks below and above 4G. * In any case, try to make sure that guest addresses aligned at * 1G boundaries get mapped to host addresses aligned at 1G boundaries. */ if (machine->ram_size >= 0xb0000000) { lowmem = 0x80000000; } else { lowmem = 0xb0000000; } /* Handle the machine opt max-ram-below-4g. It is basically doing * min(qemu limit, user limit). */ if (!x86ms->max_ram_below_4g) { x86ms->max_ram_below_4g = 4 * GiB; } if (lowmem > x86ms->max_ram_below_4g) { lowmem = x86ms->max_ram_below_4g; if (machine->ram_size - lowmem > lowmem && lowmem & (1 * GiB - 1)) { warn_report("There is possibly poor performance as the ram size " " (0x%" PRIx64 ") is more then twice the size of" " max-ram-below-4g (%"PRIu64") and" " max-ram-below-4g is not a multiple of 1G.", (uint64_t)machine->ram_size, x86ms->max_ram_below_4g); } } if (machine->ram_size >= lowmem) { x86ms->above_4g_mem_size = machine->ram_size - lowmem; x86ms->below_4g_mem_size = lowmem; } else { x86ms->above_4g_mem_size = 0; x86ms->below_4g_mem_size = machine->ram_size; } if (xen_enabled()) { xen_hvm_init(pcms, &ram_memory); } x86_cpus_init(x86ms, pcmc->default_cpu_version); kvmclock_create(); /* pci enabled */ if (pcmc->pci_enabled) { pci_memory = g_new(MemoryRegion, 1); memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); rom_memory = pci_memory; } else { pci_memory = NULL; rom_memory = get_system_memory(); } pc_guest_info_init(pcms); if (pcmc->smbios_defaults) { /* These values are guest ABI, do not change */ smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)", mc->name, pcmc->smbios_legacy_mode, pcmc->smbios_uuid_encoded, SMBIOS_ENTRY_POINT_21); } /* allocate ram and load rom/bios */ if (!xen_enabled()) { pc_memory_init(pcms, get_system_memory(), rom_memory, &ram_memory); } /* create pci host bus */ q35_host = Q35_HOST_DEVICE(qdev_create(NULL, TYPE_Q35_HOST_DEVICE)); object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host), NULL); object_property_set_link(OBJECT(q35_host), OBJECT(ram_memory), MCH_HOST_PROP_RAM_MEM, NULL); object_property_set_link(OBJECT(q35_host), OBJECT(pci_memory), MCH_HOST_PROP_PCI_MEM, NULL); object_property_set_link(OBJECT(q35_host), OBJECT(get_system_memory()), MCH_HOST_PROP_SYSTEM_MEM, NULL); object_property_set_link(OBJECT(q35_host), OBJECT(system_io), MCH_HOST_PROP_IO_MEM, NULL); object_property_set_int(OBJECT(q35_host), x86ms->below_4g_mem_size, PCI_HOST_BELOW_4G_MEM_SIZE, NULL); object_property_set_int(OBJECT(q35_host), x86ms->above_4g_mem_size, PCI_HOST_ABOVE_4G_MEM_SIZE, NULL); /* pci */ qdev_init_nofail(DEVICE(q35_host)); phb = PCI_HOST_BRIDGE(q35_host); host_bus = phb->bus; /* create ISA bus */ lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV, ICH9_LPC_FUNC), true, TYPE_ICH9_LPC_DEVICE); object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, TYPE_HOTPLUG_HANDLER, (Object **)&pcms->acpi_dev, object_property_allow_set_link, OBJ_PROP_LINK_STRONG, &error_abort); object_property_set_link(OBJECT(machine), OBJECT(lpc), PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); /* irq lines */ gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); ich9_lpc = ICH9_LPC_DEVICE(lpc); lpc_dev = DEVICE(lpc); for (i = 0; i < GSI_NUM_PINS; i++) { qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]); } pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc, ICH9_LPC_NB_PIRQS); pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq); isa_bus = ich9_lpc->isa_bus; pc_i8259_create(isa_bus, gsi_state->i8259_irq); if (pcmc->pci_enabled) { ioapic_init_gsi(gsi_state, "q35"); } if (tcg_enabled()) { x86_register_ferr_irq(x86ms->gsi[13]); } assert(pcms->vmport != ON_OFF_AUTO__MAX); if (pcms->vmport == ON_OFF_AUTO_AUTO) { pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; } /* init basic PC hardware */ pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, !mc->no_floppy, (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 0xff0104); /* connect pm stuff to lpc */ ich9_lpc_pm_init(lpc, x86_machine_is_smm_enabled(x86ms)); if (pcms->sata_enabled) { /* ahci and SATA device, for q35 1 ahci controller is built-in */ ahci = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_SATA1_DEV, ICH9_SATA1_FUNC), true, "ich9-ahci"); idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0"); idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1"); g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci)); ide_drive_get(hd, ahci_get_num_ports(ahci)); ahci_ide_create_devs(ahci, hd); } else { idebus[0] = idebus[1] = NULL; } if (machine_usb(machine)) { /* Should we create 6 UHCI according to ich9 spec? */ ehci_create_ich9_with_companions(host_bus, 0x1d); } if (pcms->smbus_enabled) { /* TODO: Populate SPD eeprom data. */ pcms->smbus = ich9_smb_init(host_bus, PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC), 0xb100); smbus_eeprom_init(pcms->smbus, 8, NULL, 0); } pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); /* the rest devices to which pci devfn is automatically assigned */ pc_vga_init(isa_bus, host_bus); pc_nic_init(pcmc, isa_bus, host_bus); if (machine->nvdimms_state->is_enabled) { nvdimm_init_acpi_state(machine->nvdimms_state, system_io, x86ms->fw_cfg, OBJECT(pcms)); } } #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \ static void pc_init_##suffix(MachineState *machine) \ { \ void (*compat)(MachineState *m) = (compatfn); \ if (compat) { \ compat(machine); \ } \ pc_q35_init(machine); \ } \ DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) static void pc_q35_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pcmc->default_nic_model = "e1000e"; m->family = "pc_q35"; m->desc = "Standard PC (Q35 + ICH9, 2009)"; m->units_per_default_bus = 1; m->default_machine_opts = "firmware=bios-256k.bin"; m->default_display = "std"; m->default_kernel_irqchip_split = false; m->no_floppy = 1; machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); m->max_cpus = 288; } static void pc_q35_5_0_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_machine_options(m); m->alias = "q35"; pcmc->default_cpu_version = 1; } DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL, pc_q35_5_0_machine_options); static void pc_q35_4_2_machine_options(MachineClass *m) { pc_q35_5_0_machine_options(m); m->alias = NULL; compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); } DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL, pc_q35_4_2_machine_options); static void pc_q35_4_1_machine_options(MachineClass *m) { pc_q35_4_2_machine_options(m); m->alias = NULL; compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); } DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL, pc_q35_4_1_machine_options); static void pc_q35_4_0_1_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_4_1_machine_options(m); m->alias = NULL; pcmc->default_cpu_version = CPU_VERSION_LEGACY; /* * This is the default machine for the 4.0-stable branch. It is basically * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the * 4.0 compat props. */ compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); } DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL, pc_q35_4_0_1_machine_options); static void pc_q35_4_0_machine_options(MachineClass *m) { pc_q35_4_0_1_machine_options(m); m->default_kernel_irqchip_split = true; m->alias = NULL; /* Compat props are applied by the 4.0.1 machine */ } DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL, pc_q35_4_0_machine_options); static void pc_q35_3_1_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_4_0_machine_options(m); m->default_kernel_irqchip_split = false; pcmc->do_not_add_smb_acpi = true; m->smbus_no_migration_support = true; m->alias = NULL; pcmc->pvh_enabled = false; compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); } DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL, pc_q35_3_1_machine_options); static void pc_q35_3_0_machine_options(MachineClass *m) { pc_q35_3_1_machine_options(m); compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); } DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL, pc_q35_3_0_machine_options); static void pc_q35_2_12_machine_options(MachineClass *m) { pc_q35_3_0_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); } DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL, pc_q35_2_12_machine_options); static void pc_q35_2_11_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_12_machine_options(m); pcmc->default_nic_model = "e1000"; compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); } DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL, pc_q35_2_11_machine_options); static void pc_q35_2_10_machine_options(MachineClass *m) { pc_q35_2_11_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; m->auto_enable_numa_with_memhp = false; } DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL, pc_q35_2_10_machine_options); static void pc_q35_2_9_machine_options(MachineClass *m) { pc_q35_2_10_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); } DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL, pc_q35_2_9_machine_options); static void pc_q35_2_8_machine_options(MachineClass *m) { pc_q35_2_9_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); } DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL, pc_q35_2_8_machine_options); static void pc_q35_2_7_machine_options(MachineClass *m) { pc_q35_2_8_machine_options(m); m->max_cpus = 255; compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); } DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL, pc_q35_2_7_machine_options); static void pc_q35_2_6_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_7_machine_options(m); pcmc->legacy_cpu_hotplug = true; pcmc->linuxboot_dma_enabled = false; compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); } DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL, pc_q35_2_6_machine_options); static void pc_q35_2_5_machine_options(MachineClass *m) { X86MachineClass *x86mc = X86_MACHINE_CLASS(m); pc_q35_2_6_machine_options(m); x86mc->save_tsc_khz = false; m->legacy_fw_cfg_order = 1; compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); } DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL, pc_q35_2_5_machine_options); static void pc_q35_2_4_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_5_machine_options(m); m->hw_version = "2.4.0"; pcmc->broken_reserved_end = true; compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); } DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL, pc_q35_2_4_machine_options);